MODEL: OPPO A9 2020
PROBLEM: NO POWER / NOT CHARGING
DIAGNOSTIC:
1. Check battery - OK
2. Check charging port -OK
3. Check Flex - OK
4. Check Board sa schematic test supply 0.5amp lng reading
5. Check pausok ng mga possible.
ISSUE:
Umiinit sa U2 IC OVP SEMI Shorted
ACTION:
REMOVE IC / BYPASS OVP / JUMPER Resistor at Capacitor
Done:
Sana makatulong.
PROBLEM: NO POWER / NOT CHARGING
DIAGNOSTIC:
1. Check battery - OK
2. Check charging port -OK
3. Check Flex - OK
4. Check Board sa schematic test supply 0.5amp lng reading
5. Check pausok ng mga possible.
ISSUE:
Umiinit sa U2 IC OVP SEMI Shorted
ACTION:
REMOVE IC / BYPASS OVP / JUMPER Resistor at Capacitor
Done:
Sana makatulong.